728858147 has 2 divisors, whose sum is σ = 728858148. Its totient is φ = 728858146.

The previous prime is 728858099. The next prime is 728858159. The reversal of 728858147 is 741858827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 728858147 - 2⁸ = 728857891 is a prime.

It is a Chen prime.

It is equal to p_37668488 and since 728858147 and 37668488 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 728858095 and 728858104.

It is not a weakly prime, because it can be changed into another prime (728858167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364429073 + 364429074.

It is an arithmetic number, because the mean of its divisors is an integer number (364429074).

Almost surely, 2^728858147 is an apocalyptic number.

728858147 is a deficient number, since it is larger than the sum of its proper divisors (1).

728858147 is an equidigital number, since it uses as much as digits as its factorization.

728858147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1003520, while the sum is 50.

The square root of 728858147 is about 26997.3729647905. The cubic root of 728858147 is about 899.9416204931.

The spelling of 728858147 in words is "seven hundred twenty-eight million, eight hundred fifty-eight thousand, one hundred forty-seven".